An ancient drainage basin covering one fifth of Greenland predates the ice sheet and strongly influences the modern Jakobshavn Glacier, according to a new analysis of ice-penetrating radar data.
glaciers & ice sheets
Posted inResearch Spotlights
Characterizing Interglacial Periods over the Past 800,000 Years
Researchers identified 11 different interglacial periods over the past 800,000 years, but the interglacial period we are experiencing now may last an exceptionally long time.
Posted inResearch Spotlights
Ocean Waves Vibrating the Ross Ice Shelf
Scientists use seismic stations to study ice shelf vibrations generated by ocean waves to better understand their impact on the integrity of the Ross Ice Shelf.
Posted inScience Updates
On the Rebound: Modeling Earth's Ever-Changing Shape
A new modeling tool easily computes the elastic response of changes in loading on Earth's surface to high resolution. Scientists test this tool using finely detailed data on glaciers' mass changes.
Posted inResearch Spotlights
Glacial Debris Hints at Ancient Climate Change
Interspersed layers of debris in some of Antarctica's glaciers give clues to ancient swings in climate.